Toyota Motor displays Wonder-Capsule Concept during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Yamaha displays TRITOWN compact electric vehicle during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Mazda Motor President Masamichi Kogai presents the company's Kai Concept during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

A Smart Vision EQ FourTwo is displayed during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Toyota Motor Corp. displays the company's fuel cell bus Sora during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Isuzu Motor displays Elf EV during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Mitsubishi Motors displays the company's Eclipse Cross during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Honda Motor demostrates Ai-miimo, Honda's concept model of AI-installed lawn mower, during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Mitsubishi Motors presents e-Evolution concept during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Nissan Motor presents IMx zero emission concept during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Logo of the Toyota Motor GAZOO Racing is displayed during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Honda Motor displays Honda NeuV concept during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Yamaha displays MWC-4 Leaning Multi-Wheel vehicle during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

A BMW Z4 concept car is displayed during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

A model riding Honda ChairMobi Concept presents Ai-miimo, Honda's concept model of AI-installed lawn mower, during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Mitsubishi Motors presents e-Evolution concept during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

The Subaru XV Fun Adventure concept is displayed during a media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Yamaha displays MOTOROiD during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Mercedes Concept EQA is displayed during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Toyota Motor Corp. displays the company's Concept-i Ride series during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Toyota Motor Corp. unveils the company's Concept-i Ride (L) and Concept-i Walk during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

A visitor uses virtual reality device next to Volkswagen's concept I.D. Buzz during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

A model presents Honda Motor's RoboCas concept during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

A model presents the Flesby, a one-seater mobility concept car exhibited by Japan's auto parts maker Toyoda Gosei, during a media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Isuzu Motor displays design concept truck FD-SI during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Toyota Motor GAZOO Racing HV Sports concept is displayed during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Honda Motor displays Gold Wing during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Models present Suzuki Motor's EV e-Survivor concept during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Toyota Motor Corp. displays the company's Concept-i Ride series during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017.

Toyota Motor Corp. displays the company's Concept-i Ride during media preview of the 45th Tokyo Motor Show in Tokyo, Japan October 25, 2017. Reuters/Kim Kyung-Hoon